4-Way Automatic Shut-Off Valve for Reverse Osmosis System, Reverse Osmosis Drinking Water Filtration

Use the back pressure generated by the pressure tank (or a float valve) to shut off the water supply to the reverse osmosis membrane. 6.35 mm push-button connection. If your wastewater system continues to discharge wastewater down the drain after the tank is full, you may need to replace the old ASO valve with this replacement ASO valve. For reverse osmosis systems